If then the value of
5
3
-5
-3
As we learnt in
Vector Product of two vectors(cross product) -
If and are two vectors and is the angle between them , then
- wherein
is unit vector perpendicular to both
Scalar Triple Product -
- wherein
Scalar Triple Product of three vectors .
STP
We saw
So value = -5
Option 1)
5
This option is incorrect.
Option 2)
3
This option is incorrect.
Option 3)
-5
This option is correct.
Option 4)
-3
This option is incorrect.
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